Thursday, March 29, 2012

What is Sodium molybdate used for?

Sodium molybdate, Na2MoO4, is advantageous as a antecedent of molybdenum. It is generally begin as the dihydrate, Na2MoO4·2H2O.The molybdate(VI) anion is tetrahedral. Two sodium cations alike with every one anion.
Sodium molybdate is a chemically altered form of the mineral element, sodium. Sodium is a natural salt and sodium molybdate is used in the food industry as a fertilizer and as a nutritional supplement for health. Sodium molybdate use in food may have some benefits, as well as some side effects. Talk to your doctor about sodium molybdate in foods to make sure consuming it will not cause any adverse effects.
Uses
The agronomics industry uses 1 actor pounds per year as a fertilizer. In particular, its use has been appropriate for analysis of whiptail in broccoli and cauliflower in molybdenum-deficient soils. However, affliction have to be taken because at a akin of 0.3 ppm sodium molybdate can could cause chestnut deficiencies in animals, decidedly cattle.
Sodium molybdate is acclimated in industry for bane inhibition, as it is a non-oxidizing anodic inhibitor. The accession of sodium molybdate decidedly reduces the nitrite claim of fluids inhibited with nitrite-amine, and improves the bane aegis of carboxylate alkali fluids.
In automated baptize analysis applications area active bane is a abeyant due to bimetallic construction, the appliance of sodium molybdate is adopted over sodium nitrite. Sodium molybdate has the advantage in that the dosing of lower ppm's of molybdate acquiesce for lower application of the circulating water. Sodium molybdate at levels of 50-100 ppm action the aforementioned levels of bane inhibition that sodium nitrite at levels of 800+ offer. By utilizing lower concentrations of sodium molybdate, application is kept at a minimum and appropriately active bane potentials are decreased.
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Wednesday, March 28, 2012

What is Ferrous Lactate used for?

Ferrous Lactate, or iron(II) lactate, is a actinic admixture consisting of one atom of adamant (Fe2+) and two lactate anions. It has the actinic blueprint Fe(C3H5O3)2. It is acclimated as a aliment accretion with E amount E585. It is an acidity regulator and colour assimilation agent, and is aswell acclimated to fortify foods with iron.
Ferrous lactate is acclimated as a appearance abettor in olives and for enrichment.
Applications
In atramentous olives, Ferrous Lactate is acclimated to accommodate an even atramentous color.
Iron lactate is generally acclimated in baby formulas and pasta for adamant enrichment.
Properties
Iron lactate is a ablaze blooming powder. Tasted by itself, it has a able adamant aftertaste and for humans acute to its flavor, it is apparent even at low levels in products.
Ferrous Lactate is an articulate adamant alertness for ameliorative uses in aliment of body’s bloom and to balance adamant deficiency. Bloom allowances of Ferrous Lactate cover claret formation, which is one of the a lot of important apparatus of claret as it provides oxygen to all physique tissues. Thus adamant is important for affair activity requirements of the body. Adamant aswell binds with assorted enzymes complex in altered metabolic functions. Adamant helps in development of brain, adjustment of beef animation and physique temperature, accretion of absence states in case of anemia, pregnancy, accelerated hemolysis and common aberrant menstrual claret flow. Side furnishings cover nausea, diarrhea, abdomen cramps, convulsion, breath difficulty, bluish fingernails and lips.
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Tuesday, March 27, 2012

Properties of China Minerals

A mineral is a naturally occurring solid chemical substance formed through biogeochemical processes, having characteristic chemical composition, highly ordered atomic structure, and specific physical properties. By comparison, a rock is an aggregate of minerals and/or mineraloids and does not have a specific chemical composition. Minerals range in composition from pure elements and simple salts to very complex silicates with thousands of known forms. The study of minerals is called mineralogy.
Properties
Minerals may be classified according to chemical composition. They are here categorized by anion group. The list below is in approximate order of their abundance in the Earth's crust. The list follows the Dana classification system which closely parallels the Strunz classification.
The largest group of minerals by far are the silicates (most rocks are ≥95% silicates), which are composed largely of silicon and oxygen, with the addition of ions such as aluminium, magnesium, iron, and calcium. Some important rock-forming silicates include the feldspars, quartz, olivines, pyroxenes, amphiboles, garnets, and micas.
The carbonate minerals consist of those minerals containing the anion (CO3)2− and include calcite and aragonite (both calcium carbonate), dolomite (magnesium/calcium carbonate) and siderite (iron carbonate). Carbonates are commonly deposited in marine settings when the shells of dead planktonic life settle and accumulate on the sea floor. Carbonates are also found in evaporitic settings (e.g. the Great Salt Lake, Utah) and also in karst regions, where the dissolution and reprecipitation of carbonates leads to the formation of caves, stalactites and stalagmites. The carbonate class also includes the nitrate and borate minerals.
Sulfate minerals all contain the sulfate anion, SO42−. Sulfates commonly form in evaporitic settings where highly saline waters slowly evaporate, allowing the formation of both sulfates and halides at the water-sediment interface. Sulfates also occur in hydrothermal vein systems as gangue minerals along with sulfide ore minerals. Another occurrence is as secondary oxidation products of original sulfide minerals. Common sulfates include anhydrite (calcium sulfate), celestine (strontium sulfate), barite (barium sulfate), and gypsum (hydrated calcium sulfate). The sulfate class also includes the chromate, molybdate, selenate, sulfite, tellurate, and tungstate minerals.
The organic mineral class includes biogenic substances in which geological processes have been a part of the genesis or origin of the existing compound. Minerals of the organic class include various oxalates, mellitates, citrates, cyanates, acetates, formates, hydrocarbons and other miscellaneous species. Examples include whewellite, moolooite, mellite, fichtelite, carpathite, evenkite and abelsonite.
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Monday, March 26, 2012

What is Magnesium malate?

Magnesium malate, the magnesium salt of malic acid, is a mineral supplement.
Magnesium malate combines magnesium and malic acid. Both substances help produce energy in the form of adenosine triphosphate (ATP), which studies show can be deficient in fibromyalgia (FMS) and chronic fatigue syndrome (CFS or ME/CFS). Magnesium helps cells form and maintains muscles, bones and nerves.
Magnesium Malate is the combination of magnesium and malic acid. Magnesium is an essential mineral involved in calcium absorption, neuromuscular protection, and cardiovascular functions. Malic acid is a natural fruit acid involved in the synthesis of ATP to generate cellular energy.
Magnesium malate benefits energy production, smooth muscles, and brain detoxification. The malic acid in this compound helps transform the food into ATP, the body’s primary source of energy. This energy is then used by the cells, tissues, and organs to perform their vital functions for overall well being. The energy producing activity of Magnesium Malate helps ensure muscular health. Fibromyalgia is a condition associated with poor generation of energy on the muscle cells leading to pain and stiffness. Pain due to Fibromyalgia is widespread, affecting the neck, upper back, shoulders, chest, and buttocks. Also, magnesium malate is easily absorbed by the body, and can cross the blood brain barrier. It aids in the detoxification of heavy metals like aluminum away from the brain. Aluminum in the brain has been linked to seizures and dementias like Alzheimer’s disease. Magnesium on the other hand goes into the nerves to ensure proper nerve functions and transmission. Magnesium supplements may also be used by women to soothe uterine muscles during PMS. Uterine crampings causes dysmenorrhea and mood swings. Generally, magnesium benefits muscle relaxation, cardiovascular functions, and anti-stress mechanisms.
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What is Cobalt Acetate used for?

Cobalt Acetate is the cobalt(II) salt of acetic acid. It may also be found as the tetrahydrate.
It may be formed by the reaction between cobalt oxide or hydroxide and acetic acid: CoO + 2 HC2H3O2 → Co(C2H3O2)2 + H2O
Cobalt(II) acetate may be reacted with salenH2 to give salcomine, an oxygen-transport compound.
Cobalt Acetate is harmful if swallowed or inhaled. It may cause an allergic skin reaction. Chronic exposure may affect heart, thyroid, lungs, and kidneys.
Cobalt Acetate is a moderately water soluble crystalline Cobalt source that decomposes to Cobalt oxide on heating. It is generally immediately available in most volumes. Acetates are excellent precursors for production of ultra high purity compounds and certain catalyst and nanoscale(nanoparticles and nanopowders) materials. All metallic acetates are inorganic salts of a metal cation and the acetate anion. The acetate anion is a univalent (-1 charge) polyatomic ion composed of two carbon atoms ionically bound to three hydrogen and two oxygen atoms (Symbol: CH3COO) for a total formula weight of 59.05. Ultra high purity and high purity compositions improve both optical quality and usefulness as scientific standards. Nanoscale (See also Nanotechnology Information and Quantum Dots) elemental powders and suspensions, as alternative high surface area forms, may be considered.
Cobalt acetate used as catalyst accelerators for the PTA production, paint drier, feed additive and many others, our range of cobalt acetate is formulated using superior quality raw material. Effective and pure in composition, our range of cobalt acetate finds application in diverse range of industries.
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Thursday, March 22, 2012

Where to get Calcium Orotate?

Calcium Orotate is white to almost white crystalline powder. Hardly soluble in water. Practically insoluble in 96% ethanol and ether.  10 ml of the filtrate solution should not consume more than 0.25ml of 0.01M HCl solution.
Calcium orotate is generally prescribed as an oral supplement, either in liquid or chewable form or as an effervescent tablet taken with water. Common side effects include digestive problems such as constipation and indigestion. More serious side effects in sensitive patients include headache, weight loss, bone or muscle pain and nausea. Other serious side effects include mood changes, increased thirst, increased urination and difficulty breathing. Some patients might develop allergic reactions, and people who are suffering from hypercalcemia, or high calcium levels, should avoid taking calcium orotate.
Some of the more advanced and most effective calcium orotate supplements add magnesium to the dosage. Calcium in foods is always paired with magnesium. Magnesium has been shown to aid the absorption of calcium and reduce unwanted side effects. The presence of magnesium in a calcium orotate supplement also helps prevent the risk of calcium deposits in arterial walls, a condition that can cause circulatory and heart problems.
As with any supplement, moderation is crucial. For most healthy adults, 2,500 milligrams of calcium is the recommended daily maximum. Side effects from excessive calcium might include kidney toxicity or kidney failure, irregular heart rhythm, kidney stones and cancer. Powerful calcium supplements such as calcium orotate might interact with other medications, either interfering with their effectiveness or causing serious side effects.
Calcium Orotate is used to prevent or treat low blood calcium levels in people who do not get enough calcium from their diets. It may be used to treat conditions caused by low calcium levels such as bone loss (osteoporosis), weak bones (osteomalacia/rickets), decreased activity of the parathyroid gland (hypoparathyroidism), and a certain muscle disease (latent tetany). It may also be used in certain patients to make sure they are getting enough calcium (e.g., women who are pregnant, nursing, or postmenopausal, people taking certain medications such as phenytoin, phenobarbital, or prednisone).
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Wednesday, March 21, 2012

What is Ferrous Gluconate?

Ferrous Gluconate is a type of iron. You normally get iron from the foods you eat. In your body, iron becomes a part of your hemoglobin (HEEM o glo bin) and myoglobin (MY o glo bin). Hemoglobin carries oxygen through your blood to tissues and organs. Myoglobin helps your muscle cells store oxygen.
Ferrous gluconate is used to treat iron deficiency anemia (a lack of red blood cells caused by having too little iron in the body).
Ferrous gluconate may also be used for purposes other than those listed in this medication guide.
Side effects of Ferrous Gluconate
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor if you have serious side effects such as:
bright red blood in your stools; or
pain in your chest or throat when swallowing a ferrous gluconate tablet
Less serious side effects may include:
constipation, diarrhea
nausea, vomiting, heartburn
stomach pain, upset stomach
black or dark-colored stools or urine; or
temporary staining of the teeth
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Tuesday, March 20, 2012

What is Cadmium sulfide?

Cadmium sulfide is the inorganic compound with the formula CdS. Cadmium sulfide is a yellow solid. It occurs in nature with two different crystal structures as the rare minerals greenockite and hawleyite, but is more prevalent as an impurity substituent in the similarly structured zinc ores sphalerite and wurtzite, which are the major economic sources of cadmium. As a compound that is easy to isolate and purify, it is the principal source of cadmium for all commercial applications.
Properties
Cadmium sulfide has, like zinc sulfide, two crystal forms; the more stable hexagonal wurtzite structure (found in the mineral Greenockite) and the cubic zinc blende structure (found in the mineral Hawleyite). In both of these forms the cadmium and sulfur atoms are four coordinate. There is also a high pressure form with the NaCl rock salt structure.
Cadmium sulfide is a direct band gap semiconductor. The magnitude of its band gap means that it appears coloured.
Applications
CdS is mainly used as a pigment.
Cadmium sulfide and cadmium selenide are used in manufacturing of photoresistors (light dependent resistors) sensitive to visible and near infrared light.
In thin-film form, CdS can be combined with other layers for use in certain types of solar cells. CdS was also one of the first semiconductor materials to be used for thin-film transistors (TFTs). However interest in compound semiconductors for TFTs largely waned after the emergence of amorphous silicon technology in the late 1970s.
Pigment
CdS is known as cadmium yellow. By adding varying amounts of selenium as selenide, it is possible to obtain a range of colors, for example CI pigment orange 20 and CI pigment red 108.
Synthetic cadmium pigments based on cadmium sulfide are valued for their good thermal stability, light and weather fastness, chemical resistance and high opacity. The general commercial availability of cadmium sulfide from the 1840s led to its adoption by artists, notably Van Gogh, Monet and Matisse. The presence of cadmium in paints has been used to detect forgeries in paintings alleged to have been produced prior to the 19th century. CdS is used as pigment in plastics
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Monday, March 19, 2012

What is Bismuth oxide?

Bismuth oxide has seen interest as a material for solid oxide fuel cells or SOFCs, since it is an ionic conductor, i.e. oxygen atoms readily move through it. Pure bismuth oxide, Bi2O3 has four crystallographic polymorphs. It has a monoclinic crystal structure, designated α- Bi2O3, at room temperature. This transforms to the cubic fluorite-type crystal structure, δ-Bi2O3, when heated above 727 °C, which remains the structure until the melting point, 824 °C, is reached. The behaviour of Bi2O3 on cooling from the δ-phase is more complex, with the possible formation of two intermediate metastable phases; the tetragonal β-phase or the body-centred cubic γ-phase. The γ-phase can exist at room temperature with very slow cooling rates, but α- Bi2O3 always forms on cooling the β-phase.
Bismuth is a brittle metal with a white, silver-pink hue, often occurring in its native form with an iridescent oxide tarnish showing many colors from yellow to blue. The spiral, stair-stepped structure of a bismuth crystal is the result of a higher growth rate around the outside edges than on the inside edges. The variations in the thickness of the oxide layer that forms on the surface of the crystal causes different wavelengths of light to interfere upon reflection, thus displaying a rainbow of colors. When combusted with oxygen, bismuth burns with a blue flame and its oxide forms yellow fumes.
Bismuth compounds (accounting for about half the production of bismuth) are used in cosmetics, pigments, and a few pharmaceuticals. Bismuth has unusually low toxicity for a heavy metal. As the toxicity of lead has become more apparent in recent years, alloy uses for bismuth metal (presently about a third of bismuth production), as a replacement for lead, have become an increasing part of bismuth's commercial importance.
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Sunday, March 18, 2012

How to get Lactobionic Acid?

Lactobionic Acid, 4-O-β-galactopyranosyl-D-gluconic acerbic contains gluconic acerbic and galactose and can be formed by blaze of lactose, a disaccharide. The carboxylate anion of lactobionic acerbic is accepted as lactobionate.
As an acid, lactobionic acid can form salts with mineral cations such as calcium, potassium, sodium and zinc. Calcium lactobionate is a food additive used as a stabilizer. Potassium lactibionate is added to organ preservation solutions such as Viaspan to provide osmotic support and prevent cell swelling. Mineral salts of lactobionic acid are also used for mineral supplementation.
Lactobionic acid is also used in the cosmetics industry as an antioxidant, and in the pharmaceutical industry as a salt form; for example, the antibiotic erythromycin is used as the salt erythromycin lactobionate when intravenously delivered.
Lactobionic Acid is used in the Pharmaceutical industry as a salt form and to provide osmotic support during organ preservation to prevent cell swelling. Lactobionic Acid is used in the cosmetic and personal care industries as an antioxidant and for mineral supplementation.
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Thursday, March 15, 2012

What is Calcium Orotate used for?

Calcium Orotate has been found to have a marked effect on inflammatory diseases such as arthritis and lupus; while having an anti-inflammatory effect on cardiovascular diseases such as multiple sclerosis, phlebitis, retinitis, encephalitis and colitis. The mechanics behind its anti-inflammatory effects lie in the availability of calcium ions at the mitochondrial membrane.
Calcium Orotate is used to prevent or treat low blood calcium levels in people who do not get enough calcium from their diets. Calcium Orotate may be used to treat conditions caused by low calcium levels such as bone loss (osteoporosis), weak bones (osteomalacia/rickets), decreased activity of the parathyroid gland (hypoparathyroidism), and a certain muscle disease (latent tetany). It may also be used in certain patients to make sure they are getting enough calcium (e.g., women who are pregnant, nursing, or postmenopausal, people taking certain medications such as phenytoin, phenobarbital, or prednisone).
Calcium plays a very important role in the body. It is necessary for normal functioning of nerves, cells, muscle, and bone. If there is not enough calcium in the blood, then the body will take calcium from bones, thereby weakening bones. Having the right amount of calcium is important for building and keeping strong bones.
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Wednesday, March 14, 2012

Descriptions of Calcium Bromo Lactobionate Hexahydrate

Calcium Bromo Lactobionate Hexahydrate
Molecular Formula: Ca(C12H21O12)2
CAS No. 33659-28-8
Molecular Weight: 954
Therapeutic Categories: Anxiolytic agent, Hypnotic and sedative agent
Chemical Name
Dicalcium bis(4-O-beta-D-galactopyranosyl-D-gluconat)-dibromid
Description
Calcium Bromo Lactobionate Hexahydrate is white, crystalline or granular powder. Soluble in water, freely soluble in boiling water.
Storage: Store in a well-closed container at a temperature not exceeding 25°C, protected from direct sunlight and Moisture, unless otherwise specified.
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Tuesday, March 13, 2012

What is Cadmium Telluride Targets used for?

Cadmium Telluride (CdTe) is a crystalline compound formed from cadmium and tellurium. It is used as an infrared optical window and a solar cell material. It is usually sandwiched with cadmium sulfide to form a p-n junction photovoltaic solar cell. Typically, CdTe cells use a n-i-p structure.
Applications
CdTe is a used to make thin film solar cells, accounting for about 6% of all solar cells installed in 2010. They are among the lowest-cost types of solar cell, although a comparison of total installed cost depends on installation size and many other factors, and has changed rapidly from year to year. The CdTe solar cell market is dominated by First Solar. In 2010, around 1.5 GWp of CdTe solar cells were produced; if this figure were massively increased, there might eventually be a shortage of tellurium, as Te is among the rarest elements in the Earth's crust (see below). Specifically, production could be expanded by a factor of 1000 to 10000 (estimates vary) before running out of Te. Another problem for the technology is the toxicity of cadmium, see below. For more details and discussion see cadmium telluride photovoltaics.
CdTe can be alloyed with mercury to make a versatile infrared detector material (HgCdTe). CdTe alloyed with a small amount of zinc makes an excellent solid-state X-ray and gamma ray detector (CdZnTe).
Cadmium Telluride is used as an infrared optical material for optical windows and lenses but it has small application and is limited by its toxicity such that few optical houses will consider working with it. An early form of CdTe for IR use was marketed under the trademarked name of Irtran-6 but this is obsolete.
CdTe is also applied for electro-optic modulators. It has the greatest electro-optic coefficient of the linear electro-optic effect among II-VI compound crystals (r41=r52=r63=6.8×10−12 m/V).
CdTe doped with chlorine is used as a radiation detector for x-rays, gamma rays, beta particles and alpha particles. CdTe can operate at room temperature allowing the construction of compact detectors for a wide variety of applications in nuclear spectroscopy. The properties that make CdTe superior for the realization of high performance gamma- and x-ray detectors are high atomic number, large bandgap and high electron mobility ~1100 cm2/V·s, which result in high intrinsic μτ (mobility-lifetime) product and therefore high degree of charge collection and excellent spectral resolution.
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Monday, March 12, 2012

What is Nickel Carbonate?

Nickel Carbonate describes one or a mixture of inorganic compounds containing nickel and carbonate. From the industrial perspective, the most important nickel carbonate is basic nickel carbonate with the formula Ni4CO3(OH)6(H2O)4. Simpler carbonates, ones more likely encountered in the laboratory, are NiCO3 and its hexahydrate. All are paramagnetic green solid consisting of Ni2+ cations. The basic carbonate is an intermediate in the hydrometallurgical purification of nickel from its ores and is used in electroplating of Ni. Nickel carbonates are used in some ceramic applications and as precursors to catalysts.
Nickel Carbonates are hydrolyzed upon contact with by aqueous acids to give solutions containing the ion [Ni(H2O)6]2+, liberating water and carbon dioxide in the process. Calcining (heating to drive off CO2 and water) of these carbonates gives NiO, shown here with anhydrous nickel carbonate:NiCO3 → NiO + CO2
The nature of the resulting oxide depends on the nature of the precursor. The oxide obtained from the basic carbonate is often most useful for catalysis.
Basic nickel carbonate can be made by treating solutions of nickel sulfate with sodium carbonate, shown here for the basic carbonate:4 Ni2+ + Na2CO3 + 6 OH- + 4 H2O → Ni4CO3(OH)6(H2O)4 + 2 Na+
The hydrated carbonate has been prepared by electrolytic oxidation of nickel in the presence of carbon dioxide: Ni + O + CO2 + 6 H2O → NiCO3(H2O)4
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Sunday, March 11, 2012

What is Zinc Orotate?

Zinc Orotate is a mineral salt found in the human body in trace amounts. Discovered by Dr. Hans Nieper, each molecule of zinc orotate is composed of two molecules of orotic acid and one zinc atom.
Application:
Nutritional supplement, nutrition enhancer, dietary supplements, heatlh food additives, pharmaceutical raw material. sport supplements, sport nutrtional supplements, bodybuilding supplement.
Zinc Orotate is a mineral alkali that is commonly begin in the physique in baby amounts. Anniversary atom of zinc orotate consists of two molecules of orotic acerbic and one zinc atom — the zinc atom replaces a brace of hydrogen atoms (one from anniversary orotic acerbic molecule).
Zinc is an capital aspect appropriate by all active things. Every agency and tissue in the physique contains and requires zinc. It plays roles in development, tissue growth, and in all above actual functions. Several thousand kinds of proteins in the physique accommodate zinc — some of these proteins are enzymes that use zinc atoms to activate biochemical reactions, others accept structural roles. ‘Zinc finger’ proteins adapt gene expression, and zinc atoms play a role in gene-directed corpuscle afterlife (‘apoptosis’) which is a above authoritative action in advance and development, and in blight and added diseases. Zinc aswell affects the way beef arresting anniversary added — it has been begin to access hormone absolution and the manual of advice forth nerves.
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Thursday, March 8, 2012

Properties of Bismuth Nitrate

Properties of Bismuth Nitrate
Appearance/Form: Clear, colorless crystals
Formula: Bi(NO3)3 · 5H2O
Molecular Weight: 485.07
MP: 30 °C (86 °F)
BP: 75-80 °C (167-176 °F)
Density: 2.83 g/mL
Solubility: Soluble in dilute nitric acid, alcohol, and acetone
Other: Slowly decomposed by water to the sub-nitrate
Bismuth Nitrate is cellophane and colorless. It is abiding beneath accustomed altitude of use and storage. Bismuth nitrate retains its accustomed agreement if kept abroad from heat, moisture, dusting, acquaintance with combustibles and incompatibles.
Bismuth Nitrate, 10035-06-0, Bi(NO3)3 ∙ 5H2O, MW 485.07.  Bismuth nitrate is clear, colorless crystals. Bismuth nitrate is soluble in dilute nitric acid, alcohol, and acetone, slowly decomposed by water to the sub-nitrate. Bismuth nitrate is used in preparation of other bismuth salts, luminous paints, enamels, and in making white patinas (bronze).
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Wednesday, March 7, 2012

What is High purity bismuth?

High purity bismuth is a actinic aspect with attribute Bi and diminutive amount 83. Bismuth, a trivalent poor metal, chemically resembles arsenic and antimony. Elemental bismuth may action by itself uncombined, although its sulfide and oxide anatomy important bartering ores. The chargeless aspect is 86% as close as lead. It is a breakable metal with a ablaze white blush if anew made, but generally credible in air with a blush cast attributable to the credible oxide. Bismuth metal has been accepted from age-old times, although until the 18th aeon it was generally abashed with advance and tin, which anniversary accept some of the metal's aggregate concrete properties. The ancestry is ambiguous but possibly comes from Arabic "bi ismid" acceptation accepting the backdrop of antimony or German words weisse masse or wismuth acceptation white mass.
Bismuth is the a lot of by itself diamagnetic of all metals, and alone mercury has a lower thermal conductivity.Bismuth has classically been advised to be the heaviest by itself occurring abiding element, in agreement of diminutive mass. Recently, however, it has been begin to be actual hardly radioactive: its alone basic isotope bismuth-209 decays via alpha adulteration into thallium-205 with a half-life of added than a billion times the estimated age of the universe.
Bismuth compounds (accounting for about bisected the assembly of bismuth) are acclimated in cosmetics, pigments, and a few pharmaceuticals. Bismuth has almighty low toxicity for a abundant metal. As the toxicity of advance has become added credible in contempo years, admixture uses for bismuth metal (presently about a third of bismuth production), as a backup for lead, accept become an accretion allotment of bismuth's bartering importance.
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Uses of Ammonium Molybdate

Ammonium Molybdate is an odorless apparent admixture alignment in blush from white to yellow-green. ammonium molybdate aswell alleged molybdic acerbic hexammonium alkali tetrahydrate, ammonium molybdate tetrahydrate, and ammonium heptamolybdate tetrahydrate, ammonium molybdate finds appliance beyond assorted ambit of industries.
Uses of Ammonium Molybdate
As an analytic reagent to acquisition the
Attendance of phosphates, silicates,
Arsenates and advance in pigments
In the assembly of molybdenum metal and ceramics
In the alertness of dehydrogenation and desulphurisation catalysts
In the acclimation of metals
In electroplating
In fertilizers for crops.
As a abrogating stain in biological electron microscopy, about in the 3-5% (vol/vol) absorption ambit and in the attendance of trehalose or at saturated absorption to accomplish cryo-negative staining
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Monday, March 5, 2012

What is Calcium Bromo Lactobionate Hexahydrate?

Calcium Bromo Lactobionate Hexahydrate
Molecular Formula: Ca(C12H21O12)2
CAS No. 33659-28-8
Molecular Weight: 954
Therapeutic Categories: Anxiolytic agent, Hypnotic and sedative agent
Chemical Name
Dicalcium bis(4-O-beta-D-galactopyranosyl-D-gluconat)-dibromid
Description of Calcium Bromo Lactobionate Hexahydrate
Calcium Bromo Lactobionate Hexahydrate is white, crystalline or granular powder. Soluble in water, freely soluble in boiling water.
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Sunday, March 4, 2012

What is Calcium Lactate Gluconate?

Calcium Lactate Gluconate, also known as GLOCAL, is a soluble salt of calcium, lactic acid and gluconic acid used in effervescent calcium tablets. Its chemical formula is Ca5(C3H5O3)6.(C6H11O7)4.2H2O. It was first developed by Sandoz, Switzerland. Calcium lactate gluconate is used in the functional and fortified food industry due to its good solubility and neutral taste. Calcium Lactate Gluconate can also be used to help neutralize HF (hydrofluoric acid) poisoning.
Calcium Lactate Gluconate (CLG) is a mixture of calcium lactate and calcium gluconate. In pharmaceuticals, it is widely used as a pharmaceutical calcium source with excellent bioavailability. In food and beverages, the outstanding characteristics of calcium lactate gluconate combining high solubility and neutral taste lead to new applications in a wide range of premium products.
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Thursday, March 1, 2012

Applications of Cadmium chloride

Cadmium chloride is a white crystalline compound of cadmium and chlorine, with the formula CdCl2. It is a hygroscopic solid that is highly soluble in water and slightly soluble in alcohol. Although it is considered to be ionic, it has considerable covalent character to its bonding. The crystal structure of cadmium chloride (described below), composed of two-dimensional layers of ions, is a reference for describing other crystal structures. Also known are CdCl2.H2O and CdCl2.5H2O.
Cadmium chloride forms crystals with rhombohedral symmetry. Cadmium iodide, CdI2, has a very similar crystal structure to CdCl2. The individual layers in the two structures are identical, but in CdCl2 the chloride ions are arranged in a CCP lattice, whereas in CdI2 the iodide ions are arranged in a HCP lattice.
Chemical properties
Cadmium chloride dissolves well in water and other polar solvents. In water, its high solubility is due in part to formation of complex ions such as [CdCl4]2−. Because of this behavior, CdCl2 is a mild Lewis acid).
CdCl2 + 2 Cl− → [CdCl4]2−
With large cations, it is possible to isolate the trigonal bipyramidal [CdCl5]3− ion.
Preparation
Anhydrous cadmium chloride can be prepared by the action of anhydrous chlorine or hydrogen chloride gas on heated cadmium metal.
Hydrochloric acid may be used to make hydrated CdCl2 from the metal, or from cadmium oxide or cadmium carbonate.
Uses
Cadmium chloride is used for the preparation of cadmium sulfide, used as "Cadmium Yellow", a brilliant-yellow stable inorganic pigment.
In the laboratory, anhydrous CdCl2 can be used for the preparation of organocadmium compounds of the type R2Cd, where R is an aryl or a primary alkyl. These were once used in the synthesis of ketones from acyl chlorides:
CdCl2 + 2 RMgX → R2Cd + MgCl2 + MgX2
R2Cd + R'COCl → R'COR + CdCl2
Such reagents have largely been supplanted by organocopper compounds, which are much less toxic.
Cadmium chloride is also used for photocopying, dyeing and electroplating.
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